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<tr class="t-nv-h1"><td colspan="5"> 流程控制</td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/if.html" title="cpp/language/if"> <code>if</code></a></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/switch.html" title="cpp/language/switch"> <code>switch</code></a></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/continue.html" title="cpp/language/continue"> <code>continue</code></a> - <a href="language/break.html" title="cpp/language/break"> <code>break</code></a></td></tr>
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<tr class="t-nv-h1"><td colspan="5"> 函数</td></tr>
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<tr class="t-nv-h1"><td colspan="5"> 命名空间</td></tr>
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</table></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 类型</td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/types.html" title="cpp/language/types"> 基础类型</a></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/function.html" title="cpp/language/function"> 函数类型</a></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/class.html" title="cpp/language/class"> 复合类型</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/union.html" title="cpp/language/union"> 联合体类型</a></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 说明符</td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/decltype.html" title="cpp/language/decltype"> <code>decltype</code></a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/auto.html" title="cpp/language/auto"> <code>auto</code></a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/alignas.html" title="cpp/language/alignas"> <code>alignas</code></a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/cv.html" title="cpp/language/cv"> <code>const</code>/<code>volatile</code></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/constexpr.html" title="cpp/language/constexpr"> <code>constexpr</code></a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/storage_duration.html" title="cpp/language/storage duration"> 存储期说明符</a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 初始化</td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/direct_initialization.html" title="cpp/language/direct initialization"> 直接初始化</a></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/aggregate_initialization.html" title="cpp/language/aggregate initialization"> 聚合初始化</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/list_initialization.html" title="cpp/language/list initialization"> 列表初始化</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/constant_initialization.html" title="cpp/language/constant initialization"> 常量初始化</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/reference_initialization.html" title="cpp/language/reference initialization"> 引用初始化</a></td></tr>
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<div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv-h1"><td colspan="5"> 表达式</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/value_category.html" title="cpp/language/value category"> 值类别</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/eval_order.html" title="cpp/language/eval order"> 求值顺序</a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/operators.html" title="cpp/language/operators"> 运算符</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/operator_precedence.html" title="cpp/language/operator precedence"> 运算符优先级</a></td></tr>
</table></div></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/operator_alternative.html" title="cpp/language/operator alternative"> 替代表示</a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 字面量</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/bool_literal.html" title="cpp/language/bool literal"> 布尔</a> - <a href="language/integer_literal.html" title="cpp/language/integer literal"> 整数</a> - <a href="language/floating_literal.html" title="cpp/language/floating literal"> 浮点</a></td></tr>   
<tr class="t-nv"><td colspan="5"> <a href="language/character_literal.html" title="cpp/language/character literal"> 字符</a> - <a href="language/string_literal.html" title="cpp/language/string literal"> 字符串</a> - <a href="language/nullptr.html" title="cpp/language/nullptr"> <code>nullptr</code></a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr> 
<tr class="t-nv"><td colspan="5"> <a href="language/user_literal.html" title="cpp/language/user literal"> 用户定义</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
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<tr class="t-nv"><td colspan="5"> <a href="language/attributes.html" title="cpp/language/attributes"> 属性</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 类型</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/typedef.html" title="cpp/language/typedef"> <code>typedef</code> 声明</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/type_alias.html" title="cpp/language/type alias"> 类型别名声明</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 类型转换</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/implicit_cast.html" title="cpp/language/implicit conversion"> 隐式转换</a> - <a href="language/explicit_cast.html" title="cpp/language/explicit cast"> 显式转换</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/static_cast.html" title="cpp/language/static cast"> <code>static_cast</code></a> - <a href="language/dynamic_cast.html" title="cpp/language/dynamic cast"> <code>dynamic_cast</code></a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/const_cast.html" title="cpp/language/const cast"> <code>const_cast</code></a> - <a href="language/reinterpret_cast.html" title="cpp/language/reinterpret cast"> <code>reinterpret_cast</code></a></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 内存分配</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/new.html" title="cpp/language/new"> <code>new</code> 表达式</a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/delete.html" title="cpp/language/delete"> <code>delete</code> 表达式</a></td></tr>
</table></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 类</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/class.html" title="cpp/language/class"> 类声明</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/constructor.html" title="cpp/language/initializer list"> 初始化器列表</a> </td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/this.html" title="cpp/language/this"> <code>this</code> 指针</a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/access.html" title="cpp/language/access"> 访问说明符</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/friend.html" title="cpp/language/friend"> <code>friend</code> 说明符</a></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 特定于类的函数性质</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/virtual.html" title="cpp/language/virtual"> 虚函数</a> </td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/override.html" title="cpp/language/override"> <code>override</code> 指定符</a>  <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/final.html" title="cpp/language/final"> <code>final</code> 说明符</a>  <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/explicit.html" title="cpp/language/explicit"> <code>explicit</code></a>  <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/static.html" title="cpp/language/static"> <code>static</code></a> </td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> 特殊成员函数</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/default_constructor.html" title="cpp/language/default constructor"> 默认构造函数</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/copy_constructor.html" title="cpp/language/copy constructor"> 复制构造函数</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/move_constructor.html" title="cpp/language/move constructor"> 移动构造函数</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/copy_assignment.html" title="cpp/language/copy assignment"> 复制赋值</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/move_assignment.html" title="cpp/language/move assignment"> 移动赋值</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/destructor.html" title="cpp/language/destructor"> 析构函数</a></td></tr>
</table></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 模板</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/class_template.html" title="cpp/language/class template"> 类模板</a></td></tr>
<tr class="t-nv"><td colspan="5"> <a href="language/function_template.html" title="cpp/language/function template"> 函数模板</a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/template_specialization.html" title="cpp/language/template specialization"> 模板特化</a></td></tr>   
<tr class="t-nv"><td colspan="5"> <a href="language/parameter_pack.html" title="cpp/language/parameter pack"> 参数包</a> <span class="t-mark-rev t-since-cxx11">(C++11)</span></td></tr>
</table></div></td></tr>
<tr class="t-nv-h1"><td colspan="5"> 杂项</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/asm.html" title="cpp/language/asm"> 内联汇编</a></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="language/history.html" title="cpp/language/history"> C++ 的历史</a></td></tr>
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<td class="mbox-text" style=""> 我们尽可能努力维护这个页面，但仍可能缺少最新发布的编译器的版本信息。如果你发现有过时的内容的话，请帮助我们来更新它吧！ </td>
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<p><br>
下表为各个编译器对新的 C++ 功能特性的支持情况。这些功能特性包括 <a href="compiler_support.html#cpp11">C++11</a> 、 <a href="compiler_support.html#cpp14">C++14</a> 、 <a href="compiler_support.html#cpp17">C++17</a> 和<a href="compiler_support.html#cpp2a">之后接受的标准版本 (C++20/C++2a)</a> ，还有几个技术规范的内容。
</p>
<div style="display: inline-block;">
<div style="display: inline-block;">
<p><span id="cpp2a"></span>
</p>
<h2><span class="mw-headline" id="C.2B.2B2a_.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7"> C++2a 功能特性 </span></h2>
<h3><span class="mw-headline" id="C.2B.2B20_.E6.A0.B8.E5.BF.83.E8.AF.AD.E8.A8.80.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++20 核心语言功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++20 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th scope="col" style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th>
<th>
</th></tr>
<tr>
<td> 允许 lambda 捕获 <code>[=, this]</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0409R2">P0409R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>__VA_OPT__</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0306R4">P0306R4</a><br><a rel="nofollow" class="external text" href="https://wg21.link/P1042R1">P1042R1</a>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="无 #__VA_OPT__ 支持">8 (部分)*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/aggregate_initialization.html#.E6.8C.87.E6.B4.BE.E5.88.9D.E5.A7.8B.E5.8C.96.E5.99.A8" title="cpp/language/aggregate initialization">指派初始化器</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0329R4">P0329R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="构成 P0329 基础的非标准扩展，缺少花括号初始化器">4.7 (部分)*</span><br>8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="P0329 的完全 C99 兼容超集，缺少花括号初始化器">3.0 (部分)*</span><br>10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 泛型 lambda 的模板形参列表
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0428R2">P0428R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> Default member initializers for bit-fields
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0683R1">P0683R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> Initializer list constructors in class template argument deduction
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0702R1">P0702R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> const&amp;-qualified pointers to members
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0704R1">P0704R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/constraints.html" title="cpp/language/constraints">概念</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0734R0">P0734R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6<br>(仅 TS)<br>10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="VS 2019 16.3">19.23*</span> <span title="无 requires 表达式支持">(部分)*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 不求值语境中的 lambda
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0315R4">P0315R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/operator_comparison.html#.E4.B8.89.E8.B7.AF.E6.AF.94.E8.BE.83" title="cpp/language/operator comparison">三路比较运算符</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0515R3">P0515R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8 (部分)<br>10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.0">19.20*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：简化隐式 lambda 捕获
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0588R1">P0588R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 基于范围的 for 的初始化语句
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0614R1">P0614R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 11.0">
<p>11.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 可默认构造与可赋值的无状态 lambda
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0624R2">P0624R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 预置复制构造函数与 const 的不匹配
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0641R2">P0641R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="VS 2019 16.1">19.21*</span> (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 特化上的访问检查
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0692R1">P0692R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> ADL 与不可见的函数模板
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0846R0">P0846R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 较不贪婪地实例化 constexpr 函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0859R0">P0859R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="大多数">5.2 (部分)*<br>9</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 属性 <code>[[<a href="language/attributes/likely.html" title="cpp/language/attributes/likely">likely</a>]]</code> 与 <code>[[<a href="language/attributes/likely.html" title="cpp/language/attributes/likely">unlikely</a>]]</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0479R5">P0479R5</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 使 <code>typename</code> 更可选
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0634R3">P0634R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> Lambda 初始化捕获中的包展开
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0780R2">P0780R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 属性 <code>[[<a href="language/attributes/no_unique_address.html" title="cpp/language/attributes/no unique address">no_unique_address</a>]]</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0840R2">P0840R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：放松<a href="language/structured_binding.html" title="cpp/language/structured binding">结构化绑定</a>定制点查找规则
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0961R1">P0961R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：放松<a href="language/range-for.html" title="cpp/language/range-for">范围 <code>for</code> 循环</a>定制点查找规则
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0962R1">P0962R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：允许到可访问成员的结构化绑定
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0969R0">P0969R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="memory/new/operator_delete.html" title="cpp/memory/new/operator delete">销毁的 operator delete</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0722R3">P0722R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 非类型模板形参中的类类型
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0732R2">P0732R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 弃用经由 <code>[=]</code> 隐式捕获 <code>this</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0806R2">P0806R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/explicit.html" title="cpp/language/explicit"><tt>explicit(bool)</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0892R2">P0892R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 集成特性测试宏
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0941R2">P0941R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.8">19.15*</span> (部分)<br><span title="VS 2019 16.0">19.20*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 禁止有用户声明构造函数的聚合体
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1008R1">P1008R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.0">19.20*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr 虚函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1064R0">P1064R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 比较的一致性改进
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1120R0">P1120R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (部分)<br>10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>char8_t</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0482R6">P0482R6</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/is_constant_evaluated.html" title="cpp/types/is constant evaluated"><tt>std::is_constant_evaluated()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0595R2">P0595R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr <code>try</code>-<code>catch</code> 块
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1002R1">P1002R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/consteval.html" title="cpp/language/consteval">立即函数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1073R3">P1073R3</a>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="无 consteval 虚函数支持">10 (部分)*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/namespace.html" title="cpp/language/namespace">嵌套 inline 命名空间</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1094R2">P1094R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/template_parameters.html#.E7.B1.BB.E5.9E.8B.E6.A8.A1.E6.9D.BF.E5.AE.9E.E5.8F.82" title="cpp/language/template parameters">有制约</a><a href="language/auto.html" title="cpp/language/auto">声明</a>的另一种手段
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1141R2">P1141R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 有符号整数为补码
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1236R1">P1236R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr <code>dynamic_cast</code> 及多态 <code>typeid</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1327R1">P1327R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 在 constexpr 内更改联合体的活跃成员
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1330R0">P1330R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/coroutines.html" title="cpp/language/coroutines">协程</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0912R5">P0912R5</a>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">10 (部分)
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 聚合体的括号初始化
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0960R3">P0960R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ： <a href="language/new.html" title="cpp/language/new">new 表达式</a>中的数组大小推导
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1009R2">P1009R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/modules.html" title="cpp/language/modules">模块</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1103R3">P1103R3</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 更强的 Unicode 要求
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1041R4">P1041R4</a><br><a rel="nofollow" class="external text" href="https://wg21.link/P1139R2">P1139R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>&lt;=&gt; != ==</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1185R2">P1185R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：拥有不同异常说明的显式默认化函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1286R2">P1286R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 结构化绑定的 lambda 捕获与存储类说明符
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1091R3">P1091R3</a><br><a rel="nofollow" class="external text" href="https://wg21.link/P1381R1">P1381R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 容许转换到未知边界数组
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0388R4">P0388R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr 容器操作
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0784R7">P0784R7</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 弃用 <code>volatile</code> 的某些用法
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1152R4">P1152R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/constinit.html" title="cpp/language/constinit"><tt>constinit</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1143R2">P1143R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 弃用下标中的逗号运算符
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1161R3">P1161R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 带消息的 <code>[[<a href="language/attributes/nodiscard.html" title="cpp/language/attributes/nodiscard">nodiscard</a>]]</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1301R4">P1301R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr 函数中的平凡默认初始化
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1331R2">P1331R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr 函数中的不求值汇编声明
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1668R1">P1668R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> using enum
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1099R5">P1099R5</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 对指定的比较类别合成三路比较
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1186R3">P1186R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：构造函数的 <code>[[nodiscard]]</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1771R1">P1771R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 别名模板的<a href="language/class_template_argument_deduction.html" title="cpp/language/class template argument deduction">类模板实参推导</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1814R0">P1814R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 聚合类的类模板实参推导
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1816R0">P1816R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：更多局部对象与右值引用的<a href="language/return.html" title="cpp/language/return">隐式移动</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1825R0">P1825R0</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++20 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC</div></div>
</th>
<th> <div class="t-vertical"><div>Clang</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th> <div class="t-vertical"><div>Cray</div></div>
</th>
<th> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th></tr></table>
<h3><span class="mw-headline" id="C.2B.2B20_.E5.BA.93.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++20 库功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++20 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th>
<th>
</th></tr>
<tr>
<td> <a href="types/endian.html" title="cpp/types/endian"><tt>std::endian</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0463R1">P0463R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 扩展 <span class="t-lc"><a href="memory/shared_ptr/make_shared.html" title="cpp/memory/shared ptr/make shared">std::make_shared()</a></span> 以支持数组
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0674R1">P0674R1</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 浮点原子类型
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0020R6">P0020R6</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="io/basic_syncbuf.html" title="cpp/io/basic syncbuf">同步缓冲的</a><a href="io/basic_osyncstream.html" title="cpp/io/basic osyncstream">输出流</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0053R7">P0053R7</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="header/algorithm.html" title="cpp/header/algorithm"><tt>&lt;algorithm&gt;</tt></a> 与 <a href="header/utility.html" title="cpp/header/utility"><tt>&lt;utility&gt;</tt></a> 的 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0202R3">P0202R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (部分)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="header/complex.html" title="cpp/header/complex"><tt>&lt;complex&gt;</tt></a> 的更多 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0415R1">P0415R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">7 (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 使 <span class="t-lc"><a href="atomic/memory_order.html" title="cpp/atomic/memory order">std::memory_order</a></span> 为有作用域枚举
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0439R0">P0439R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="string/basic_string.html" title="cpp/string/basic string">字符串</a>前缀与后缀检查
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0457R2">P0457R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>operator&lt;=&gt;</code> 的库支持 <a href="header/compare.html" title="cpp/header/compare"><tt>&lt;compare&gt;</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0768R1">P0768R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">7 (部分)
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="VS 2019 16.0">19.20*</span> (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/remove_cvref.html" title="cpp/types/remove cvref"><tt>std::remove_cvref</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0550R2">P0550R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.0">19.20*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 标准库中的 <code>[[nodiscard]]</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0600R1">P0600R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">7 (部分)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.6">19.13*</span> (部分)<br><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 于<a href="numeric.html" title="cpp/numeric">数值算法</a>使用 <code>std::move</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0616R0">P0616R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.3">19.23*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 转换指针为裸指针的工具
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0653R2">P0653R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 原子 <a href="memory/shared_ptr/atomic2.html" title="cpp/memory/shared ptr/atomic2"><tt>std::shared_ptr</tt></a> 与 <a href="memory/weak_ptr/atomic2.html" title="cpp/memory/weak ptr/atomic2"><tt>std::weak_ptr</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0718R2">P0718R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="container/span.html" title="cpp/container/span"><tt>std::span</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0122R7">P0122R7</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="chrono.html#.E6.97.A5.E5.8E.86" title="cpp/chrono">日历</a>与<a href="chrono.html#.E6.97.B6.E5.8C.BA" title="cpp/chrono">时区</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0355R7">P0355R7</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">7 (部分)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="header/version.html" title="cpp/header/version"><tt>&lt;version&gt;</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0754R2">P0754R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 比较无序容器
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0809R0">P0809R0</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="named_req/ConstexprIterator.html" title="cpp/named req/ConstexprIterator"><i>常量表达式迭代器</i> <span style="font-family: Georgia, 'DejaVu Serif', serif; font-style:italic">(ConstexprIterator)</span> </a>要求
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0858R0">P0858R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="string/basic_string/reserve.html" title="cpp/string/basic string/reserve">std::basic_string::reserve()</a></span> 不应收缩
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0966R1">P0966R1</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="atomic/atomic_ref.html" title="cpp/atomic/atomic ref"><tt>std::atomic_ref</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0019R8">P0019R8</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 关联容器的 <code>contains()</code> 成员函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0458R2">P0458R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：<a href="memory/scoped_allocator_adaptor/construct.html" title="cpp/memory/scoped allocator adaptor/construct">逐片构造</a>的受保证复制消除
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0475R1">P0475R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="numeric/bit_cast.html" title="cpp/numeric/bit cast"><tt>std::bit_cast()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0476R2">P0476R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.7">19.27*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="header/bit.html" title="cpp/header/bit">整数的 2 的幂的运算</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0556R3">P0556R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 改进仿 <code>erase</code> 算法的返回值
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0646R1">P0646R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="memory/new/destroying_delete_t.html" title="cpp/memory/new/destroying delete t"><tt>std::destroying_delete</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0722R3">P0722R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/is_convertible.html" title="cpp/types/is convertible"><tt>std::is_nothrow_convertible</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0758R1">P0758R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.3">19.23*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 添加 <a href="algorithm/shift.html" title="cpp/algorithm/shift">shift</a> 到 <code>&lt;algorithm&gt;</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0769R2">P0769R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="algorithm/swap.html" title="cpp/algorithm/swap">std::swap()</a></span> 与 <code>swap</code> 相关函数的 constexpr
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0879R0">P0879R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/type_identity.html" title="cpp/types/type identity"><tt>std::type_identity</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0887R1">P0887R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="concepts.html" title="cpp/concepts">概念库</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0898R3">P0898R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.3">19.23*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>std::array</code> 的 <code>constexpr</code> <a href="container/array/operator_cmp.html" title="cpp/container/array/operator cmp">比较运算符</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1023R0">P1023R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="utility/functional/unwrap_reference.html" title="cpp/utility/functional/unwrap reference"><code>std::unwrap_ref_decay</code> 与 <code>std::unwrap_reference</code></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0318R1">P0318R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.1">19.21*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="utility/functional/bind_front.html" title="cpp/utility/functional/bind front"><tt>std::bind_front()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0356R5">P0356R5</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 不完整类型的 <span class="t-lc"><a href="utility/functional/reference_wrapper.html" title="cpp/utility/functional/reference wrapper">std::reference_wrapper</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0357R3">P0357R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 修正 <a href="io/basic_istream/operator_gtgt2.html" title="cpp/io/basic istream/operator gtgt2"><tt>operator&gt;&gt;(basic_istream&amp;, CharT*)</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0487R1">P0487R1</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.3">19.23*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>char8_t</code> 的库支持
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0482R6">P0482R6</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 实现<a href="memory/make_obj_using_allocator.html" title="cpp/memory/make obj using allocator">使用分配器</a><a href="memory/uninitialized_construct_using_allocator.html" title="cpp/memory/uninitialized construct using allocator">构造</a>的<a href="memory/uses_allocator_construction_args.html" title="cpp/memory/uses allocator construction args">工具函数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0591R4">P0591R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ： <span class="t-lc"><a href="utility/variant.html" title="cpp/utility/variant">std::variant</a></span> 与 <span class="t-lc"><a href="utility/optional.html" title="cpp/utility/optional">std::optional</a></span> 应传播复制/移动平凡性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0602R4">P0602R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 理智的 <span class="t-lc"><a href="utility/variant.html" title="cpp/utility/variant">std::variant</a></span> 转换构造函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0608R3">P0608R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/functional/function.html" title="cpp/utility/functional/function">std::function</a></span> 的移动构造函数应为 <code>noexcept</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0771R1">P0771R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.2
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.2">19.22*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="iterator.html" title="cpp/iterator">一个</a><a href="ranges.html" title="cpp/ranges">范围</a><a href="algorithm/ranges.html" title="cpp/algorithm/ranges">提案</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0896R4">P0896R4</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 无序容器的异质查找
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0919R3">P0919R3</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.3">19.23*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="header/chrono.html" title="cpp/header/chrono"><tt>&lt;chrono&gt;</tt></a> <code>zero()</code> 、 <code>min()</code> 及 <code>max()</code> 应为 <code>noexcept</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0972R0">P0972R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="memory/pointer_traits.html" title="cpp/memory/pointer traits">std::pointer_traits</a></span> 中的 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1006R1">P1006R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="memory/assume_aligned.html" title="cpp/memory/assume aligned"><tt>std::assume_aligned()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1007R3">P1007R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 移除 <code>std::span</code> 的比较运算符
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1085R2">P1085R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 使 <a href="string/basic_string/operator%2B.html" title="cpp/string/basic string/operator+"><tt>operator+(basic_string)</tt></a> 的有状态分配器传播更加一致
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1165R1">P1165R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="container/vector/erase2.html" title="cpp/container/vector/erase2">一致容器擦除</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1209R0">P1209R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="numeric/lerp.html" title="cpp/numeric/lerp"><tt>std::lerp()</tt></a> 与 <a href="numeric/midpoint.html" title="cpp/numeric/midpoint"><tt>std::midpoint()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0811R3">P0811R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>std::span</code> 的实用性增强
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1024R3">P1024R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：使 <a href="filesystem/create_directory.html" title="cpp/filesystem/create directory"><tt>create_directory()</tt></a> 自发
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1164R1">P1164R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.0">19.20*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="iterator/size.html" title="cpp/iterator/size"><tt>std::ssize()</tt></a> 与 <code>std::span</code> 的无符号长度
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1227R2">P1227R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/is_bounded_array.html" title="cpp/types/is bounded array">有界</a>及<a href="types/is_unbounded_array.html" title="cpp/types/is unbounded array">无界</a>数组特征
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1357R0">P1357R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="container/array/to_array.html" title="cpp/container/array/to array"><tt>std::to_array()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0325R4">P0325R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="io/basic_stringbuf.html" title="cpp/io/basic stringbuf">std::basic_stringbuf</a></span> 缓冲的有效访问
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0408R7">P0408R7</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/is_layout_compatible.html" title="cpp/types/is layout compatible">布局</a><a href="types/is_corresponding_member.html" title="cpp/types/is corresponding member">兼容性</a>与<a href="types/is_pointer_interconvertible_base_of.html" title="cpp/types/is pointer interconvertible base of">指针</a><a href="types/is_pointer_interconvertible_with_class.html" title="cpp/types/is pointer interconvertible with class">可互转换性</a>特征
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0466R5">P0466R5</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="numeric.html" title="cpp/numeric">位操作</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0553R4">P0553R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="numeric/constants.html" title="cpp/numeric/constants">数学常数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0631R8">P0631R8</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.5">19.25*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="utility/format.html" title="cpp/utility/format">文本格式化</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0645R10">P0645R10</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="thread/stop_token.html" title="cpp/thread/stop token"><tt>std::stop_token</tt></a> 与 <a href="thread/jthread.html" title="cpp/thread/jthread"><tt>std::jthread</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0660R10">P0660R10</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr <span class="t-lc"><a href="memory/allocator.html" title="cpp/memory/allocator">std::allocator</a></span> 及相关工具
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0784R7">P0784R7</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr <span class="t-lc"><a href="string/basic_string.html" title="cpp/string/basic string">std::string</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0980R1">P0980R1</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr <span class="t-lc"><a href="container/vector.html" title="cpp/container/vector">std::vector</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1004R2">P1004R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 输入<a href="ranges.html" title="cpp/ranges">范围适配器</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1035R7">P1035R7</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr <span class="t-lc"><a href="utility/functional/invoke.html" title="cpp/utility/functional/invoke">std::invoke()</a></span> 及相关工具
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1065R2">P1065R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 原子等待与提醒、 <a href="thread/counting_semaphore.html" title="cpp/thread/counting semaphore"><tt>std::counting_semaphore</tt></a> 、 <a href="thread/latch.html" title="cpp/thread/latch"><tt>std::latch</tt></a> 及 <a href="thread/barrier.html" title="cpp/thread/barrier"><tt>std::barrier</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1135R6">P1135R6</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="utility/source_location.html" title="cpp/utility/source location"><tt>std::source_location</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1208R6">P1208R6</a>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">7 (仅 TS)
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 添加 <code>&lt;=&gt;</code> 到标准库
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1614R2">P1614R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="atomic/atomic.html" title="cpp/atomic/atomic">std::atomic</a></span> 与 <span class="t-lc"><a href="atomic/atomic_flag.html" title="cpp/atomic/atomic flag">std::atomic_flag</a></span> 的 constexpr 默认构造函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0883R2">P0883R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="numeric.html#.E6.95.B0.E5.80.BC.E8.BF.90.E7.AE.97" title="cpp/numeric">数值算法</a>的 constexpr
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P1645R1">P1645R1</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 安全整数比较
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0586R2">P0586R2</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++20 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th></tr></table>
<p><span id="cpp17"></span>
</p>
<h2><span class="mw-headline" id="C.2B.2B17_.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7"> C++17 功能特性 </span></h2>
<h3><span class="mw-headline" id="C.2B.2B17_.E6.A0.B8.E5.BF.83.E8.AF.AD.E8.A8.80.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++17 核心语言功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++17 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th scope="col" style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th>
<th>
</th></tr>
<tr>
<td> 直接列表初始化的新 auto 规则
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3922">N3922</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 无消息的 <a href="language/static_assert.html" title="cpp/language/static assert"><tt>static_assert</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3928">N3928</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.12
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 模板模板形参中的 <code>typename</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4051">N4051</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 移除三标符
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4086">N4086</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 嵌套命名空间定义
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4230">N4230</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 3">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.12
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 命名空间和枚举项的属性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4266">N4266</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="仅命名空间">4.9 (部分)*</span><br>6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.11
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/character_literal.html" title="cpp/language/character literal"><code>u8</code> 字符字面量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4267">N4267</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.11
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 允许所有非类型模板实参的常量求值
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4268">N4268</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/fold.html" title="cpp/language/fold">折叠表达式</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4295">N4295</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 一元折叠表达式和空形参包
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0036R0">P0036R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 移除 <a href="keyword/register.html" title="cpp/keyword/register"><tt>register</tt></a> 关键字的已弃用用法
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0001R1">P0001R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 移除已弃用的 <code>operator++(bool)</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0002R1">P0002R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 令异常规定为类型系统的一部分
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0012R1">P0012R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 有基类的类的<a href="language/aggregate_initialization.html" title="cpp/language/aggregate initialization">聚合初始化</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0017R1">P0017R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 预处理器条件中的 <a href="preprocessor/include.html" title="cpp/preprocessor/include"><tt>__has_include</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0061R1">P0061R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：<a href="language/using_declaration.html#Inheriting_constructors" title="cpp/language/using declaration">继承构造函数</a>的新规定 (DR1941 等)
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0136R1">P0136R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>*this</code> 的 lambda 捕获
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0018R3">P0018R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 枚举的直接列表初始化
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0138R2">P0138R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> constexpr lambda 表达式
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0170R1">P0170R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 基于范围 for 的相异 begin 和 end 类型
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0184R0">P0184R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.12
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>[[<a href="language/attributes/fallthrough.html" title="cpp/language/attributes/fallthrough">fallthrough</a>]]</code> 属性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0188R1">P0188R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>[[<a href="language/attributes/nodiscard.html" title="cpp/language/attributes/nodiscard">nodiscard</a>]]</code> 属性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0189R1">P0189R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>[[<a href="language/attributes/maybe_unused.html" title="cpp/language/attributes/maybe unused">maybe_unused</a>]]</code> 属性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0212R1">P0212R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 十六进制<a href="language/floating_literal.html" title="cpp/language/floating literal">浮点字面量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0245R1">P0245R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 使用属性命名空间而不重复
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0028R4">P0028R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 过对齐数据的<a href="language/new.html" title="cpp/language/new">动态内存分配</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0035R4">P0035R4</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/class_template_argument_deduction.html" title="cpp/language/class template argument deduction">类模板实参推导</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0091R3">P0091R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 具有 <code>auto</code> 类型的非类型模板形参
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0127R2">P0127R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 受保证的<a href="language/copy_elision.html" title="cpp/language/copy elision">复制消除</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0135R1">P0135R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.6">19.13*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 替换含引用成员的类对象
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0137R1">P0137R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 更严格的<a href="language/eval_order.html" title="cpp/language/eval order">表达式求值顺序</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0145R3">P0145R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/structured_binding.html" title="cpp/language/structured binding">结构化绑定</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0217R3">P0217R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 忽略未知属性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0283R2">P0283R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/if.html" title="cpp/language/if">constexpr if</a> 语句
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0292R2">P0292R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/if.html" title="cpp/language/if">if</a> 和 <a href="language/switch.html" title="cpp/language/switch">switch</a> 的初始化语句
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0305R1">P0305R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/inline.html" title="cpp/language/inline">inline 变量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0386R2">P0386R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">18.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 从 C++17 移除已弃用的异常规定
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0003R5">P0003R5</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> using 声明中的包展开
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0195R2">P0195R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> DR ：模板模板实参的匹配排除了兼容的模板
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0522R0">P0522R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">19.0.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++17 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC</div></div>
</th>
<th> <div class="t-vertical"><div>Clang</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th> <div class="t-vertical"><div>Cray</div></div>
</th>
<th> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th></tr></table>
<h3><span class="mw-headline" id="C.2B.2B17_.E5.BA.93.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++17 库功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++17 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Intel 并行 STL</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th>
<th>
</th></tr>
<tr>
<td> <span class="t-lc"><a href="types/void_t.html" title="cpp/types/void t">std::void_t</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3911">N3911</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="error/uncaught_exception.html" title="cpp/error/uncaught exception"><tt>std::uncaught_exceptions()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4259">N4259</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="iterator/size.html" title="cpp/iterator/size">std::size()</a></span> 、 <span class="t-lc"><a href="iterator/empty.html" title="cpp/iterator/empty">std::empty()</a></span> 与 <span class="t-lc"><a href="iterator/data.html" title="cpp/iterator/data">std::data()</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4280">N4280</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 改进 <span class="t-lc"><a href="utility/pair.html" title="cpp/utility/pair">std::pair</a></span> 与 <span class="t-lc"><a href="utility/tuple.html" title="cpp/utility/tuple">std::tuple</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4387">N4387</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 2">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="types/integral_constant.html" title="cpp/types/integral constant">std::bool_constant</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4389">N4389</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="thread/shared_mutex.html" title="cpp/thread/shared mutex">std::shared_mutex</a></span> （无时限）
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N4508">N4508</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 2 &amp; Windows 7">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types.html" title="cpp/types">类型特性</a>变量模板
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0006R0">P0006R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 2">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types.html#.E7.89.B9.E6.80.A7.E4.B8.8A.E7.9A.84.E8.BF.90.E7.AE.97" title="cpp/types">逻辑运算符类型特性</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0013R1">P0013R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 2">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 标准化并行 TS
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0024R2">P0024R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="要求用 -ltbb 链接">9*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="要求非标准头文件">18.0*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="algorithm/clamp.html" title="cpp/algorithm/clamp">std::clamp()</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0025R0">P0025R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 3">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="thread/hardware_destructive_interference_size.html" title="cpp/thread/hardware destructive interference size">硬件干涉大小</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0154R1">P0154R1</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/is_swappable.html" title="cpp/types/is swappable">(nothrow-)swappable 特性</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0185R1">P0185R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 3">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="filesystem.html" title="cpp/filesystem">文件系统库</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0218R1">P0218R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 11.0">
<p>11.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="string/basic_string_view.html" title="cpp/string/basic string view">std::string_view</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3921">N3921</a><br><a rel="nofollow" class="external text" href="https://wg21.link/P0220R1">P0220R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/any.html" title="cpp/utility/any">std::any</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0220R1">P0220R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/optional.html" title="cpp/utility/optional">std::optional</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0220R1">P0220R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="header/memory_resource.html" title="cpp/header/memory resource">多态内存资源</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0220R1">P0220R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.6">19.13*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="numeric/special_functions.html" title="cpp/numeric/special functions">数学特殊函数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0226R1">P0226R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> C++17 应指代 C11 而非 C99
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0063R3">P0063R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="VS 2015">19.0*</span><br><span title="主要缺失 aligned_alloc()">(部分)*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 接合 map 与 set
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0083R3">P0083R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/variant.html" title="cpp/utility/variant">std::variant</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0088R3">P0088R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Xcode 10.0">
<p>10.0.0*</p></span>

</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/make_from_tuple.html" title="cpp/utility/make from tuple">std::make_from_tuple()</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0209R2">P0209R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="types/has_unique_object_representations.html" title="cpp/types/has unique object representations">std::has_unique_object_representations</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0258R2">P0258R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="numeric/gcd.html" title="cpp/numeric/gcd">std::gcd()</a></span> 与 <span class="t-lc"><a href="numeric/lcm.html" title="cpp/numeric/lcm">std::lcm()</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0295R0">P0295R0</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/functional/not_fn.html" title="cpp/utility/functional/not fn">std::not_fn</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0005R4">P0005R4</a><br><a rel="nofollow" class="external text" href="https://wg21.link/P0358R1">P0358R1</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="utility.html#.E5.88.9D.E7.AD.89.E5.AD.97.E7.AC.A6.E4.B8.B2.E8.BD.AC.E6.8D.A2" title="cpp/utility">初等字符串转换</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0067R5">P0067R5</a>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8 (无浮点)
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">7 (无浮点)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span> (无浮点)<span title="19.15 / VS 2017 15.8 ：浮点 from_chars() 。
19.16 / VS 2017 15.9 ：浮点 to_chars() 对最短十进制的重载。
19.20 / VS 2019 16.0 ：浮点 to_chars() 对最短 hex 及精度 hex 的重载。
19.22 / VS 2019 16.2 ：浮点 to_chars() 对精度 fixed 及精度 scientific 的重载。">*</span><br><span title="VS 2019 16.4">19.24*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 有数组支持的 <span class="t-lc"><a href="memory/shared_ptr.html" title="cpp/memory/shared ptr">std::shared_ptr</a></span> 与 <span class="t-lc"><a href="memory/weak_ptr.html" title="cpp/memory/weak ptr">std::weak_ptr</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0414R2">P0414R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.5">19.12*</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="thread/scoped_lock.html" title="cpp/thread/scoped lock"><tt>std::scoped_lock</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0156R2">P0156R2</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="types/byte.html" title="cpp/types/byte"><tt>std::byte</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/P0298R3">P0298R3</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.3">19.11*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
<p><br>
</p>
</td></tr>
<tr>
<td> <a href="types/is_aggregate.html" title="cpp/types/is aggregate"><tt>std::is_aggregate</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://cplusplus.github.io/LWG/issue2911">LWG2911</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.8">19.15*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++17 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>Intel 并行 STL</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th></tr></table>
<p><span id="cpp14"></span>
</p>
<h2><span class="mw-headline" id="C.2B.2B14_.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7"> C++14 功能特性 </span></h2>
<h3><span class="mw-headline" id="C.2B.2B14_.E6.A0.B8.E5.BF.83.E8.AF.AD.E8.A8.80.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++14 核心语言功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++14 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th scope="col" style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th>
<th>
</th></tr>
<tr>
<td> <a href="language/implicit_cast.html#.E6.8C.89.E8.AF.AD.E5.A2.83.E8.BD.AC.E6.8D.A2" title="cpp/language/implicit conversion">按语境转换</a>的遣词调整
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3323">N3323</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> <a href="language/integer_literal.html" title="cpp/language/integer literal">二进制字面量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3472">N3472</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3 (GNU)<br>4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> <a href="language/auto.html" title="cpp/language/auto"><tt>decltype(auto)</tt></a>，普通函数的返回类型推导
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3638">N3638</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8 <span title="N3386 版本">(部分)*</span><br>4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">15.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> 带初始化/泛化的 lambda 捕获 (init-capture)
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3648">N3648</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5 (部分)<br>4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">15.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> 泛型（多态） lambda 表达式
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3649">N3649</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> <a href="language/variable_template.html" title="cpp/language/variable template">变量模板</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3651">N3651</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 2">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.11
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> 扩展的 constexpr
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3652">N3652</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.11
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> 成员初始化器与聚合体 (NSDMI)
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3653">N3653</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.0">19.10*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> 澄清<a href="language/new.html#Allocation" title="cpp/language/new">内存分配</a>（分配的免除/融合）
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3664">N3664</a>
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"> <small>N/A</small>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.4
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>[[<a href="language/attributes/deprecated.html" title="cpp/language/attributes/deprecated">deprecated</a>]]</code> 属性
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3760">N3760</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux 与 OS X">15.0*</span><br>16.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr>
<td> <a href="language/delete.html" title="cpp/language/delete">具大小解分配</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3778">N3778</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">17.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 单引号作为数位分隔符
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3781">N3781</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.10
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">16.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++14 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC</div></div>
</th>
<th> <div class="t-vertical"><div>Clang</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th> <div class="t-vertical"><div>Cray</div></div>
</th>
<th> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th></tr></table>
<h3><span class="mw-headline" id="C.2B.2B14_.E5.BA.93.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++14 库功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++14 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th>
<th>
</th></tr>
<tr>
<td> <a href="header/complex.html" title="cpp/header/complex"><tt>&lt;complex&gt;</tt></a> 的 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3302">N3302</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <span class="t-lc"><a href="types/result_of.html" title="cpp/types/result of">std::result_of</a></span> 与 SFINAE
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3462">N3462</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015 Update 2">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <a href="header/chrono.html" title="cpp/header/chrono"><tt>&lt;chrono&gt;</tt></a> 的 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3469">N3469</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <a href="header/array.html" title="cpp/header/array"><tt>&lt;array&gt;</tt></a> 的 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3470">N3470</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <a href="header/initializer_list.html" title="cpp/header/initializer list"><tt>&lt;initializer_list&gt;</tt></a> 、 <a href="header/utility.html" title="cpp/header/utility"><tt>&lt;utility&gt;</tt></a> 和 <a href="header/tuple.html" title="cpp/header/tuple"><tt>&lt;tuple&gt;</tt></a> 的 <code>constexpr</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3471">N3471</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> 改进的 <span class="t-lc"><a href="types/integral_constant.html" title="cpp/types/integral constant">std::integral_constant</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3545">N3545</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <a href="header/chrono.html" title="cpp/header/chrono"><tt>&lt;chrono&gt;</tt></a> 和 <a href="header/string.html" title="cpp/header/string"><tt>&lt;string&gt;</tt></a> 的用户定义字面量
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3642">N3642</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <a href="named_req/ForwardIterator.html#.E5.AD.A4.E7.AB.8B.E8.BF.AD.E4.BB.A3.E5.99.A8" title="cpp/named req/ForwardIterator">空向前迭代器</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3644">N3644</a>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">5 (部分)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <span class="t-lc"><a href="io/manip/quoted.html" title="cpp/io/manip/quoted">std::quoted</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3654">N3654</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> 异质关联查找
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3657">N3657</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/integer_sequence.html" title="cpp/utility/integer sequence">std::integer_sequence</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3658">N3658</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <span class="t-lc"><a href="thread/shared_timed_mutex.html" title="cpp/thread/shared timed mutex">std::shared_timed_mutex</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3659">N3659</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <span class="t-lc"><a href="utility/exchange.html" title="cpp/utility/exchange">std::exchange</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3668">N3668</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> 修正无 <code>const</code> 的 <code>constexpr</code> 成员函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3669">N3669</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> <a href="utility/pair/get.html" title="cpp/utility/pair/get"><tt>std::get&lt;T&gt;()</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3670">N3670</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr>
<td> 双范围的 <span class="t-lc"><a href="algorithm/equal.html" title="cpp/algorithm/equal">std::equal</a></span> 、 <span class="t-lc"><a href="algorithm/is_permutation.html" title="cpp/algorithm/is permutation">std::is_permutation</a></span> 、 <span class="t-lc"><a href="algorithm/mismatch.html" title="cpp/algorithm/mismatch">std::mismatch</a></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3671">N3671</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++14 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th></tr></table>
<p><span id="cpp11"></span>
</p>
<h2><span class="mw-headline" id="C.2B.2B11_.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7"> C++11 功能特性 </span></h2>
<h3><span class="mw-headline" id="C.2B.2B11_.E6.A0.B8.E5.BF.83.E8.AF.AD.E8.A8.80.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++11 核心语言功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++11 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th scope="col" style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>HP aCC</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Digital Mars C++</div></div>
</th>
<th>
</th></tr>
<tr>
<td> C99 <a href="preprocessor.html" title="cpp/preprocessor">预处理器</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1653">N1653</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span> <span title="变长宏实现有漏洞">(部分)*</span><br><span title="VS 2019 16.6">19.26*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td></tr>
<tr>
<td> <a href="language/static_assert.html" title="cpp/language/static assert"><span class="t-c"><span class="mw-geshi cpp source-cpp">static_assert</span></span></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1720">N1720</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.52
</td></tr>
<tr>
<td> 右角括号
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1757">N1757</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2005">14.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 扩展的 <a href="language/friend.html" title="cpp/language/friend"><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">friend</span></span></span> 声明</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1791">N1791</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span> (部分)<br><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1 (部分)<br>12.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">long</span> <span class="kw4">long</span></span></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1811">N1811</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2005">14.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td></tr>
<tr>
<td> 类型特征的编译器支持
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1836">N1836</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2005">14.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">10.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.1.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6.16
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/auto.html" title="cpp/language/auto"><tt>auto</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1984">N1984</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.0 (v0.9)<br>12.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/constructor.html#.E5.A7.94.E6.89.98.E6.9E.84.E9.80.A0.E5.87.BD.E6.95.B0" title="cpp/language/initializer list">委托构造函数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1986">N1986</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">extern</span> <span class="kw1">template</span></span></span>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1987">N1987</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="MSVC++ 6.0">12.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/constexpr.html" title="cpp/language/constexpr"><tt>constexpr</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2235">N2235</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.0 (部分)<br>14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1 (部分)<br>13.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/type_alias.html" title="cpp/language/type alias">模板别名</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2258">N2258</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.2
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE ；非 debug">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <code>char16_t</code> 与 <code>char32_t</code>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2249">N2249</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Windows 上为部分； Linux 与 OS X 上为 yes">12.1*</span><br>14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.52
</td></tr>
<tr>
<td> <a href="language/alignas.html" title="cpp/language/alignas"><tt>alignas</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2341">N2341</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">15.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/alignof.html" title="cpp/language/alignof"><tt>alignof</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2341">N2341</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">15.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 默认化与被删除的函数
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2346">N2346</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/enum.html#.E6.9C.89.E4.BD.9C.E7.94.A8.E5.9F.9F.E6.9E.9A.E4.B8.BE" title="cpp/language/enum">强类型 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">enum</span></span></span></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2347">N2347</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="atomic.html" title="cpp/atomic">原子操作</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2427">N2427</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">Yes
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="仅 Linux">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/nullptr.html" title="cpp/language/nullptr"><span class="t-c"><span class="mw-geshi cpp source-cpp">nullptr</span></span></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2431">N2431</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.2
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.52
</td></tr>
<tr>
<td> 显式<a href="language/cast_operator.html" title="cpp/language/cast operator">转换运算符</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2437">N2437</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 引用限定符
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2439">N2439</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> Unicode <a href="language/string_literal.html" title="cpp/language/string literal">字符串字面量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2442">N2442</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="未归档">11.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="AIX/Linux/xOS BE">10.1*</span><br><span title="Linux LE / zLinux BE">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.52
</td></tr>
<tr>
<td> 未处理的<a href="language/string_literal.html" title="cpp/language/string literal">字符串字面量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2442">N2442</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.52
</td></tr>
<tr>
<td> <a href="language/namespace.html#.E5.86.85.E8.81.94.E5.91.BD.E5.90.8D.E7.A9.BA.E9.97.B4" title="cpp/language/namespace">内联命名空间</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2535">N2535</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/using_declaration.html#.E7.BB.A7.E6.89.BF.E6.9E.84.E9.80.A0.E5.87.BD.E6.95.B0" title="cpp/language/using declaration">继承构造函数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2540">N2540</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">15.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 尾随的函数返回类型
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2541">N2541</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 无限制的<a href="language/union.html" title="cpp/language/union">联合体</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2544">N2544</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux 与 OS X">14.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/parameter_pack.html" title="cpp/language/parameter pack">变参数模板</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2242">N2242</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N2555">N2555</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3 (N2242)<br>4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3 (N2242)<br>4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">11.1 (N2242)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/sfinae.html#.E8.A1.A8.E8.BE.BE.E5.BC.8F_SFINAE" title="cpp/language/sfinae">表达式 SFINAE</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2634">N2634</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2017 15.7">19.14*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.2
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 局部与无名类型作为模板形参
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2657">N2657</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.2
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 线程局部存储
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2659">N2659</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4 (部分)<br>4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="要求 libc++abi 3.6 或更新版本，或 libsupc++ 4.8 或更新版本">3.3*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span> (部分)<br><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1 (部分)<br><span title="Linux 与 OS X">15.0*</span>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="AIX/Linux/zOS BE; (除了 Std 名称及动态初始化的全部)">10.1 (部分)*</span><br><span title="Linux LE / zLinux BE; (除了 Std 名称及动态初始化的全部)">13.1.2 (部分)*</span>
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">5.9 (部分)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8.52 (部分)
</td></tr>
<tr>
<td> 带并发的动态初始化与析构（<a href="language/storage_duration.html#.E9.9D.99.E6.80.81.E5.B1.80.E9.83.A8.E5.8F.98.E9.87.8F" title="cpp/language/storage duration">魔法静态变量</a>）
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2660">N2660</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">Yes
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux 与 OS X">11.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 垃圾收集与基于可达性的泄漏检测
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2670">N2670</a>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"> 
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/list_initialization.html" title="cpp/language/list initialization">初始化器列表</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2672">N2672</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.0 (部分)<br>14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/data_members.html#.E6.88.90.E5.91.98.E5.88.9D.E5.A7.8B.E5.8C.96" title="cpp/language/data members">非静态数据成员初始化器</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2756">N2756</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2013">18.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/attributes.html" title="cpp/language/attributes">属性</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2761">N2761</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.2
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE ；除了 carries_dependency">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.27
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 前置 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">enum</span></span></span> 声明
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2764">N2764</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1 (部分)<br>14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/user_literal.html" title="cpp/language/user literal">用户定义的字面量</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2765">N2765</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">15.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.14
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/reference.html#.E5.8F.B3.E5.80.BC.E5.BC.95.E7.94.A8" title="cpp/language/reference">右值引用</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2118">N2118</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N2844">N2844</a><br><a rel="nofollow" class="external text" href="https://wg21.cmeerw.net/cwg/issue1138">CWG1138</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3 (N2118)<br>4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span> (N2844)<br><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.1 (N2118)<br>12.0 (N2844)<br>14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="列出 N2118">7.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/lambda.html" title="cpp/language/lambda">Lambda 表达式</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2550">N2550</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N2658">N2658</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N2927">N2927</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span> (N2658)<br><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/range-for.html" title="cpp/language/range-for">范围 for 循环</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2930">N2930</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE ；非 debug">13.1.2*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/noexcept_spec.html" title="cpp/language/noexcept spec"><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">noexcept</span></span></span></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3050">N3050</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.28
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> 移动特殊<a href="language/move_constructor.html" title="cpp/language/move constructor">成员</a><a href="language/move_assignment.html" title="cpp/language/move assignment">函数</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N3053">N3053</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.6
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/override.html" title="cpp/language/override"><span class="t-c"><span class="mw-geshi cpp source-cpp">override</span></span></a> 与 <a href="language/final.html" title="cpp/language/final"><span class="t-c"><span class="mw-geshi cpp source-cpp">final</span></span></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2928">N2928</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N3206">N3206</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N3272">N3272</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.7
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2005">14.0*</span> (部分)<br><span title="VS 2012">17.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12.0 (N2928)<br>14.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="Linux LE / zLinux BE">13.1.1*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="language/decltype.html" title="cpp/language/decltype"><tt>decltype</tt></a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2343">N2343</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N3276">N3276</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3 (N2343)<br>4.8.1
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2.9
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2010">16.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.2 (N2343)<br>4.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11.0 (N2343)<br>12.0
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">11.1 (N2343)
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">2015
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">7.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">A.06.25
</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe">8.52 (N2343)
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++11 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC</div></div>
</th>
<th> <div class="t-vertical"><div>Clang</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>EDG eccp</div></div>
</th>
<th> <div class="t-vertical"><div>Intel C++</div></div>
</th>
<th> <div class="t-vertical"><div>IBM XLC++</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder</div></div>
</th>
<th> <div class="t-vertical"><div>Cray</div></div>
</th>
<th> <div class="t-vertical"><div>Portland Group (PGI)</div></div>
</th>
<th> <div class="t-vertical"><div>Nvidia nvcc</div></div>
</th>
<th> <div class="t-vertical"><div>HP aCC</div></div>
</th>
<th> <div class="t-vertical"><div>Digital Mars C++</div></div>
</th></tr></table>
<h3><span class="mw-headline" id="C.2B.2B11_.E5.BA.93.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++11 库功能特性</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">

<tr style="height:15em">
<th style="vertical-align:bottom;"> C++11 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th style="width: 40pt;"> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th>
<th>
</th></tr>
<tr>
<td> <a href="types.html#.E7.B1.BB.E5.9E.8B.E7.89.B9.E6.80.A7.28C.2B.2B11_.E8.B5.B7.29" title="cpp/types">类型特征</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N1836">N1836</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">4.3
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.0
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2005">14.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.13
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">8.4
</td></tr>
<tr>
<td> 垃圾收集与基于可达性的泄漏检测（<a href="memory.html#.E5.9E.83.E5.9C.BE.E6.94.B6.E9.9B.86.E5.99.A8.E6.94.AF.E6.8C.81" title="cpp/memory">库支持</a>）
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2670">N2670</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">6<br><span title="无操作的库 API ， n2670 对于不支持 GC 时的要求">(无操作)</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.4<br><span title="无操作的库 API ， n2670 对于不支持 GC 时的要求">(无操作)</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span><br><span title="无操作的库 API ， n2670 对于不支持 GC 时的要求">(无操作)</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是<br><span title="无操作的库 API ， n2670 对于不支持 GC 时的要求">(无操作)</span>
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr>
<td> <a href="io/manip.html" title="cpp/io/manip">金额、时间及十六进制浮点 I/O 操纵符</a>
</td>
<td> <a rel="nofollow" class="external text" href="https://wg21.link/N2071">N2071</a><br><a rel="nofollow" class="external text" href="https://wg21.link/N2072">N2072</a>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">3.8
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2015">19.0*</span>
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">是
</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">5.15
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no">
</td></tr>
<tr style="height:15em">
<th style="vertical-align:bottom;"> C++11 功能特性<br> 
</th>
<th style="vertical-align:bottom;"> 提案<br> 
</th>
<th> <div class="t-vertical"><div>GCC libstdc++</div></div>
</th>
<th> <div class="t-vertical"><div>Clang libc++</div></div>
</th>
<th> <div class="t-vertical"><div>MSVC<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Apple Clang</div></div>
</th>
<th> <div class="t-vertical"><div>Sun/Oracle C++<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Embarcadero C++ Builder<br>标准库</div></div>
</th>
<th> <div class="t-vertical"><div>Cray C++<br>标准库</div></div>
</th></tr></table>
<p><i>*</i> - 在版本号上停留可以查看注记
</p>
<h2><span class="mw-headline" id=".E5.BC.95.E7.94.A8">引用</span></h2>
<p>各编译器厂商的兼容性检查单文档（这些通常比以上表格更能反映最新的情况）
</p>
<ul><li> GCC （更新于 2020-01 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/projects/cxx-status.html#cxx11">C++11 核心语言支持状况</a>（ 4.8.1 起完成，除了无编译器实现的 n2670 ）
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/projects/cxx-status.html#cxx14">C++14 核心语言支持状况</a>（ 5.1 起完成）
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/projects/cxx-status.html#cxx17">C++17 核心语言支持状况</a>（ 7.1 起完成）
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/projects/cxx-status.html#cxx2a">C++20 核心语言支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.2011">C++11 库支持状况</a>（ 5.1 起完成）
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.2014">C++14 库支持状况</a>（ 5.1 起完成）
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.2017">C++17 库支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.2020">C++20 库支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#table.ts_status">技术规范支持状况</a>
</li></ul>
</dd></dl>
<ul><li> Clang++ （更新于 2020-01 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://clang.llvm.org/cxx_status.html#cxx11">C++11 核心语言支持状况</a>（ 3.3 起完成）
</li><li> C++11 库支持状况（ <a rel="nofollow" class="external text" href="https://github.com/llvm-mirror/libcxx/commit/5fec82dc0db3623546038e4a86baa44f749e554f#diff-c330060c0d4b6fb493c2be0ff80a3f7e">2012-07-29</a> 起完成）
</li><li> <a rel="nofollow" class="external text" href="http://clang.llvm.org/cxx_status.html#cxx14">C++14 核心语言支持状况</a>（ 3.4 起完成）
</li><li> <a rel="nofollow" class="external text" href="http://libcxx.llvm.org/cxx1y_status.html">C++14 库支持状况</a>（ 3.5 起完成）
</li><li> <a rel="nofollow" class="external text" href="http://clang.llvm.org/cxx_status.html#ts">技术规范支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="http://clang.llvm.org/cxx_status.html#cxx17">C++17 核心语言支持状况</a>（ 5.0 起完成）
</li><li> <a rel="nofollow" class="external text" href="http://libcxx.llvm.org/cxx1z_status.html">C++17 库支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="http://clang.llvm.org/cxx_status.html#cxx20">C++20 核心语言支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="http://libcxx.llvm.org/cxx2a_status.html">C++20 库支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="http://clang.llvm.org/cxx_dr_status.html">核心语言缺陷报告状况</a>
</li></ul>
</dd></dl>
<ul><li> Apple Clang （更新于 2019-06 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://en.wikipedia.org/wiki/Xcode#Toolchain_versions">维基百科上的 Xcode 工具链版本</a>
</li><li> <a rel="nofollow" class="external text" href="https://developer.apple.com/documentation/xcode_release_notes">Xcode 发行注记</a>
</li></ul>
</dd></dl>
<ul><li> Microsoft Visual Studio （更新于 2020-03 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://github.com/microsoft/STL/wiki/Iteration-Plans">即将发布的 Visual Studio 2019 更改记录</a>
</li><li> <a rel="nofollow" class="external text" href="https://devblogs.microsoft.com/cppblog/cpp17-20-features-and-fixes-in-vs-2019/">Visual Studio 2019 中的 C++17/20 功能特性和修正</a>
</li><li> <a rel="nofollow" class="external text" href="https://blogs.msdn.microsoft.com/vcblog/2018/09/18/stl-features-and-fixes-in-vs-2017-15-8/">VS 2017 15.8 中的 STL 功能特性和修正</a>
</li><li> C++17 <a rel="nofollow" class="external text" href="https://blogs.msdn.microsoft.com/vcblog/2018/05/07/announcing-msvc-conforms-to-the-c-standard/">宣告： MSVC 遵从 C++ 标准</a>（ 15.7 起完成）
</li><li> C++17 <a rel="nofollow" class="external text" href="https://blogs.msdn.microsoft.com/vcblog/2017/12/19/c17-progress-in-vs-2017-15-5-and-15-6/">VS 2017 15.5 中的功能特性及 STL 修正</a>
</li><li> C++17 <a rel="nofollow" class="external text" href="https://blogs.msdn.microsoft.com/vcblog/2017/08/11/c17-features-and-stl-fixes-in-vs-2017-15-3/">VS 2017 15.3 中的功能特性和 STL 修正</a>
</li><li> C++11/C++14/C++17 <a rel="nofollow" class="external text" href="https://blogs.msdn.microsoft.com/vcblog/2017/05/10/c17-features-in-vs-2017-3/">VS2017.3 中的核心语言和库状况</a>
</li><li> C++11/C++14/C++17 核心语言支持状况
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://msdn.microsoft.com/en-us/library/hh567368.aspx#featurelist">VS2010 、 VS2012 、 VS2013 和 VS2015 中的 C++11/14/17 核心语言支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2013/12/02/c-11-14-core-language-features-in-vs-2013-and-the-nov-2013-ctp.aspx">VS2013 vs. VS2015 CTP0</a>
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2014/06/11/c-11-14-feature-tables-for-visual-studio-14-ctp1.aspx">VS2013 vs. VS2015 CTP1</a>
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2014/08/21/c-11-14-features-in-visual-studio-14-ctp3.aspx">VS2013 vs. VS2015 CTP3</a> （包含路线图表格）
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx">VS2015 ("VS14") 预览</a>
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2015/04/29/c-11-14-17-features-in-vs-2015-rc.aspx">VS2015 ("VS14") 发行候选</a> （ C++11 仍不完整，但出现 C++17 支持）
</li><li> <a rel="nofollow" class="external text" href="https://docs.microsoft.com/en-us/cpp/overview/visual-cpp-language-conformance">VS2019</a>
</li></ul>
</dd></dl>
<ul><li> <a rel="nofollow" class="external text" href="http://msdn.microsoft.com/en-us/library/hh567368.aspx#stl">C++11 和 C++14 库支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2015/06/19/c-11-14-17-features-in-vs-2015-rtm.aspx">C++11/14/17 VS 2015 RTM 中的功能特性</a>包含核心语言与标准库（包含技术规范）
</li><li> <a rel="nofollow" class="external text" href="http://blogs.msdn.com/b/vcblog/archive/2016/01/22/vs-2015-update-2-s-stl-is-c-17-so-far-feature-complete.aspx">VS 2015 Update 2 标准库中的 C++14/17 功能特性</a> 库对于当前 C++17 特性完整，有少量问题（一些缺陷报告、一些 constexpr 等）
</li><li> <a rel="nofollow" class="external text" href="https://blogs.msdn.microsoft.com/vcblog/2016/10/11/c1417-features-and-stl-fixes-in-vs-15-preview-5/">VS “15” Preview 5 中的 C++14/17 功能特性和 STL 修正</a>包含详细的 C++17 状况表格
</li></ul>
</dd></dl>
<ul><li> Intel C++ （更新于 2018-11 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler">C++11 核心语言支持状况</a>（ 15.0 起完全支持）
</li><li> <a rel="nofollow" class="external text" href="https://software.intel.com/en-us/articles/c14-features-supported-by-intel-c-compiler">C++14 核心语言支持状况</a>（ 17.0 起功能完整， N3664 是一项优化）
</li><li> <a rel="nofollow" class="external text" href="https://software.intel.com/en-us/articles/c17-features-supported-by-intel-c-compiler">C++17 核心语言支持状况</a>（不完全支持）
</li><li> <a rel="nofollow" class="external text" href="https://software.intel.com/en-us/articles/intel-c-compiler-190-for-linux-release-notes-for-intel-parallel-studio-xe-2019#cpp17">Intel 19.0 beta 的 C++17 特性</a>
</li><li> Intel 不提供 C++ 标准库的实现，除了
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://software.intel.com/en-us/get-started-with-pstl">并行 STL</a> （ C++17 带执行策略支持的标准库算法的实现）
</li></ul>
</dd></dl>
<ul><li> <a rel="nofollow" class="external text" href="https://charm.cs.illinois.edu/redmine/issues/1560#note-6">Intel 与 GCC 的 libstdc++ 各版本间的兼容性</a>
</li></ul>
</dd></dl>
<ul><li> EDG （更新于 2019-10 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://www.edg.com/features.html">C++11 核心语言支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="https://www.edg.com/cpp14_features.html">C++14 核心语言支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="https://www.edg.com/cpp17_features.html">C++17 核心语言支持状况</a>
</li><li> <a rel="nofollow" class="external text" href="https://www.edg.com/cpp20_features.html">C++20 核心语言支持状况</a>
</li><li> EDG 不提供 C++ 标准库的实现
</li></ul>
</dd></dl>
<ul><li> Oracle C++ （更新于 2017-07 ）
</li></ul>
<dl><dd><ul><li> 版本号为编译器版本而非 Oracle Studio 版本
</li><li> <a rel="nofollow" class="external text" href="http://docs.oracle.com/cd/E37069_01/html/E37071/gncix.html">C++11 核心语言支持状况</a>
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://docs.oracle.com/cd/E60778_01/html/E60742/gkeza.html#scrolltoc">5.14 中已经加入所缺少的 C++11 支持（页面中有错误，仍然声称是 5.13）</a>
</li></ul>
</dd></dl>
<ul><li> <a rel="nofollow" class="external text" href="https://docs.oracle.com/cd/E60778_01/html/E60742/gncix.html#scrolltoc">5.14 中加入的 C++14 功能特性</a>
</li></ul>
<dl><dd><ul><li> 5.15 中添加了完整 C++14 支持。
</li></ul>
</dd></dl>
<ul><li> Oracle 提供对标准库的四种不同实现：
</li></ul>
<dl><dd><ul><li> libCstd (RogueWave Standard Library version 2), 早于 C++98
</li><li> stlport4 (STLport Standard Library version 4.5.3), 早于 C++03
</li><li> stdcxx4 (Apache Standard Library version 4), 早于 C++11
</li><li> libstdc++ (GCC runtime library, 根据不同发布版本对 C++11 和 C++14 有所支持)
</li></ul>
</dd></dl>
</dd></dl>
<ul><li> IBM XL C++ （更新于 2018-05 ）
</li></ul>
<dl><dd><ul><li> IBM XL C++ for Linux
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://www.ibm.com/support/knowledgecenter/en/SSXVZZ_16.1.0/com.ibm.xlcpp161.lelinux.doc/language_ref/standard_features.html">核心语言支持状况</a>： 13.1.6 起 C++11 完整， 16.1.0 中部分 C++14
</li><li> IBM 在 Linux 上不提供 C++ 标准库实现（使用 GNU libstdc++ ）
</li></ul>
</dd></dl>
<ul><li> IBM XL C++ for AIX
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://www.ibm.com/support/knowledgecenter/en/SSGH3R_13.1.3/com.ibm.xlcpp1313.aix.doc/language_ref/cpp0x_exts.html">核心语言支持状况</a>： 13.1.3 中部分支持 C++11 。
</li><li> IBM 为 AIX 提供<a rel="nofollow" class="external text" href="http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/standlib/header_files.html?lang=en">一个 Dinkumware 库的版本</a>，带 C++ TR1 的完整支持，包括 &lt;regex&gt; ，但不支持 C++11
</li></ul>
</dd></dl>
</dd></dl>
<ul><li> HP aCC
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://h20565.www2.hpe.com/hpsc/doc/public/display?sp4ts.oid=4145774&amp;docLocale=en_US&amp;docId=emr_na-c04221956">HP aC++ A.06.28 发行注记 (包括 C++11 核心语言功能特性)</a>
</li><li> HP 提供了 RogueWave STL 2.0 对 C++98 标准库的实现的一个版本
</li></ul>
</dd></dl>
<ul><li> Digital Mars C++
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://www.digitalmars.com/ctg/CPP0x-Language-Implementation.html">C++11 核心语言支持状况</a>
</li></ul>
</dd></dl>
<ul><li> Embarcadero C++
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://docwiki.embarcadero.com/RADStudio/Berlin/en/C%2B%2B11_Language_Features_Compliance_Status">语言功能特性遵从状况</a> (RAD Studio 10.1 Berlin) ，包括老式编译器与 Clang 增强编译器（基于 Clang 3.3 ）所支持的 C++11 功能特性
</li><li> <a rel="nofollow" class="external text" href="http://docwiki.embarcadero.com/RADStudio/Rio/en/Modern_C%2B%2B_Language_Features_Compliance_Status">语言功能特性遵从状况</a> (RAD Studio 10.3 Rio) ，包括老式编译器所支持的 C++11 功能特性，和 Clang 增强编译器（基于 Clang 5.0 ）所支持的 C++11、 C++14 及 C++17 功能特性
</li></ul>
</dd></dl>
<ul><li> Cray （更新于 2018-01 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external autonumber" href="http://docs.cray.com/books/S-2179-84/S-2179-84.pdf">[1]</a> 声称 8.4 版支持除 alignas 外的全部 C++14
</li><li> <a rel="nofollow" class="external text" href="https://pubs.cray.com/content/S-2179/8.6/cray-c-and-c++-reference-manual-s-2179-86/cray-c-and-c++-dialect-use#concept_kgd_fcr_3s">Cray C 与 C++ 参考手册 (8.6)</a> 对于版本 8.6 ，声称支持全部 C++14
</li></ul>
</dd></dl>
<ul><li> Portland Group (PGI) （更新于 2019-01）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://www.pgroup.com/doc/pgirn161.pdf">2016 版发行注记</a> 声称支持 C++14，但不支持“通用化的 constexpr 以及 constexpr 成员函数和隐含的 const, 变量模板，厘清内存分配（分配的合并）”
</li><li> <a rel="nofollow" class="external text" href="https://www.pgroup.com/resources/docs/18.1/pdf/pgirn181-x86.pdf">2018 版发行注记</a>
</li><li> <a rel="nofollow" class="external text" href="https://www.pgroup.com/resources/docs/19.1/x86/pgi-ref-guide/index.htm">PGI 19.1 参考手册</a>
</li><li> PGI 不提供 C++ 标准库的实现
</li></ul>
</dd></dl>
<ul><li> Nvidia Cuda nvcc （更新于 2019-03）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#c-cplusplus-language-support">CUDA C 编程手册 (v10.1.105)</a>
</li><li> NVCC 不提供 C++ 标准库的实现
</li></ul>
</dd></dl>
<ul><li> Texas Instruments （更新于 2018-05 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://www.ti.com/lit/ug/slau132r/slau132r.pdf">cl430 版本 v18.1.0</a> 声称 C++14 支持
</li></ul>
</dd></dl>
<ul><li> Analog Devices （更新于 2018-05 ）
</li></ul>
<dl><dd><ul><li> <a rel="nofollow" class="external text" href="http://www.analog.com/media/en/dsp-documentation/software-manuals/cces-SharcCompiler-manual.pdf">CrossCore Embedded Studio 2.8.0 for SHARC</a> 声称 C++11 支持。</li></ul></dd></dl></div>


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